# for 变量 in 序列 :
    # 代码块

a_list = [1,3,2,"abc"]

# 我们没有办法知道 元素是列表里的第几个
# for i in a_list:
#     print(i)

# enumerate
# for i,item in enumerate(a_list):
#     print(i,item)

a_list = [1,3,2,"abc"]
b_list = [2,3,1,"bbb"]

# for i in range(len(a_list)):
#     print(a_list[i],b_list[i])

# zip
for i,j in zip(a_list,b_list):
    print(i,j)